CN210635648U

CN210635648U - Crank shaking type lifting device

Info

Publication number: CN210635648U
Application number: CN201921478340.XU
Authority: CN
Inventors: 张晓阳
Original assignee: Tianjin Yangka Electromechanical Equipment Co Ltd
Current assignee: Tianjin Yangka Electromechanical Equipment Co Ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-05-29
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a crank shakes formula elevating gear, establish the base that the cavity is the platykurtic structure in establishing, establish the deflector that the cavity is the cuboid structure in the last fixed surface of base, and the top of deflector and bottom all are provided with the slide bearing of coaxial distribution, two sliding connection has same ejector pin between the slide bearing, and the articulated connecting rod in bottom of ejector pin, the below that the bottom of base is close to the ejector pin has two bearing plates through the bolt fastening, and rotates between two bearing plates to be connected with same transfer line, the both ends of transfer line are fixed with cam and initiative belt pulley respectively, and the fixed surface of cam has three screw, one of them to the centre of a circle diameter difference the spiro union has movable hinge in the screw. The utility model discloses only need to change the screw position of activity hinge tip when the rising height of needs adjustment ejector pin can, when the screw of selection near cam edge, the rising height of ejector pin is the highest.

Description

Crank shaking type lifting device

Technical Field

The utility model relates to a elevating gear technical field especially relates to a crank shakes formula elevating gear.

Background

The crank rocker lifting device has the advantages that the lifting amplitude and the rhythm of each time are the same, and the crank rocker lifting device is widely applied to a short-flow lifting device, for example, a billet lifter is positioned on the discharging side of a heating furnace of a hot-rolled strip production line and belongs to an arrangement form of end-in and end-out. The steel billet descaling device is used for supporting a heated steel billet out of a heating furnace, then placing the steel billet on a furnace discharging roller way, and removing iron oxide scales on the surface of the steel billet through a high-pressure water descaling device.

When the device is used, the transmission device drives the supporting rod to be assembled and enter the heating furnace, and the motor of the lifting device rotates, so that the cam mechanism of the lifting device is driven to rotate, the supporting rod is assembled and lifted until the supporting rod is contacted with a heated steel billet. Then the motor of the transmission device rotates reversely, so that the supporting rod is assembled and the heated billet together withdraws from the heating furnace. At the moment, the motor of the lifting device is rotated reversely again, so that the supporting rod assembly and the heated steel billet are descended together until the supporting rod assembly stably places the heated steel billet on the discharging roller way; however, the extending distance of the lifting device can only be changed along with the diameter of the cam, and the cam needs to be replaced when different strokes are needed, so that the lifting device is complex and tedious.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a crank shaking type lifting device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a crank shakes formula elevating gear, establishes the base that the cavity is the platykurtic structure in establishing including, establish the deflector that the cavity is the cuboid structure in the last fixed surface of base, and the top and the bottom of deflector all are provided with the slide bearing of coaxial distribution, two sliding connection has same root ejector pin between the slide bearing, and the articulated connecting rod in bottom of ejector pin, the below that the bottom of base is close to the ejector pin has two bearing plates through the bolt fastening, and rotates between two bearing plates to be connected with same with the transfer line, the both ends of transfer line are fixed with cam and driving pulley respectively, and the fixed surface of cam has three screw different to the centre of a circle diameter, one of them the spiro union has movable hinge in the screw, and the bottom of connecting rod is opened has the through-hole with movable hinge diameter looks adaptation.

Preferably, the bottom that the upper surface of base is close to the ejector pin is opened there is the bar hole, and leaves the clearance between the inner wall in bar hole and the outer wall of connecting rod.

Preferably, the top of base is close to the edge and is provided with the C shaped steel stand in the middle of the opening orientation, and sliding connection has the slider in the C shaped steel stand, the both sides that the slider was carried on the back mutually are close to the equal joint of four corners and have the ball.

Preferably, one side of the sliding block, which is close to the ejector rod, is provided with an arc-shaped groove matched with the sliding block, and the surface of the sliding block is fixed with a hoop matched with the ejector rod through a bolt.

Preferably, the inner wall of the bottom of the base is rotatably connected with a shaft rod parallel to the transmission rod, a driven belt pulley and two driven gears with different diameters are fixed on the outer circumferential wall of the shaft rod respectively, and the driven belt pulley and the driving belt pulley are in transmission connection.

Preferably, the bottom inner wall of base is provided with the slide rail, and sliding connection has the fixing base in the slide rail, and the top of fixing base is provided with driving motor, and driving motor's output shaft top is fixed with two driving gears that the diameter size is different, and the driving gear that the diameter is big intermeshes with the driven gear that the diameter is little.

Preferably, a certain distance is left between the two driven gears, and the driven gears and the driving gear are both conical gears.

Compared with the prior art, the utility model provides a crank shakes formula elevating gear possesses following beneficial effect:

1. through the cam that sets up and the connecting rod of cup jointing on the activity hinge to can let the connecting rod convert the circular motion of cam into the straight reciprocating motion of ejector pin when the cam rotates, and only need change when needing the rise of adjustment ejector pin the screw position of activity hinge tip can, when selecting the screw that is close to the cam edge, the rise of ejector pin is the highest.

2. Through C shaped steel stand and the slider of sliding connection in its inside that sets up, the setting of cooperation ejector pin outer wall staple bolt to can only remove along vertical direction more stable when the ejector pin rises or descends, guaranteed that the ejector pin can not rock at the operation in-process, improved the operating stability of device.

3. Through the driving gear and the driven gear that the big minor diameter of setting is different to can control through the gear train meshing of control difference when the frequency of pushing up the top of needs switching ejector pin, improve the switching efficiency of device.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure has improved the stability of device operation.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a crank swing type lifting device according to the present invention;

fig. 2 is a schematic view of the overall structure of a crank type lifting device according to the present invention;

fig. 3 is a schematic top view of a driving device of a crank rocker type lifting device according to the present invention.

In the figure: 1-base, 2-driving motor, 3-shaft lever, 4-guide plate, 5-sliding bearing, 6-ejector pin, 7-hoop, 8-slide block, 9-ball, 10-C type steel column, 11-strip hole, 12-connecting rod, 13-cam, 14-bearing plate, 15-conveyor belt, 16-driven gear, 17-fixing seat, 18-slide rail and 19-driving gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, a crank rocker type lifting device comprises a base 1 with a flat structure having a cavity therein, a guide plate 4 with a cuboid structure having a cavity therein is fixed on the upper surface of the base 1, sliding bearings 5 are coaxially arranged on the top and bottom of the guide plate 4, a same ejector rod 6 is slidably connected between the two sliding bearings 5, a connecting rod 12 is hinged to the bottom end of the ejector rod 6, two bearing plates 14 are fixed to the bottom of the base 1 near the lower part of the ejector rod 6 by bolts, a same transmission rod is rotatably connected between the two bearing plates 14, a cam 13 and a driving belt pulley are respectively fixed to the two ends of the transmission rod, three screw holes with different diameters from the center of a circle are fixed to the surface of the cam 13, a movable hinge shaft is screwed into one of the screw holes, a through hole matched with the diameter of the movable hinge shaft is formed in the bottom end of the connecting rod 12, so that when the cam 13 rotates, the connecting rod 12 can convert the circumferential motion of the And (3) after the movement is repeated, only the screw hole position at the end part of the movable hinge shaft needs to be replaced when the rising height of the ejector rod 6 needs to be adjusted, and when the screw hole close to the edge of the cam is selected, the rising height of the ejector rod 6 is the highest.

The utility model discloses in, the bottom that base 1's upper surface is close to ejector pin 6 is opened there is bar hole 11, and leaves the clearance between the inner wall in bar hole 11 and the outer wall of connecting rod 12, can let connecting rod 12 smoothly can not blockked when swaing.

Wherein, the top of base 1 is close to the edge and is provided with opening towards middle C shaped steel stand 10, and sliding connection has slider 8 in C shaped steel stand 10, and the both sides that slider 8 carried on the back mutually are close to the equal joint of four corners and have ball 9.

Wherein, slider 8 is close to one side of ejector pin 6 and opens the arc wall that has the looks adaptation with it, and slider 8's surface is fixed with staple bolt 7 with 6 looks adaptations of ejector pin through the bolt to more stable can only remove along vertical direction when ejector pin 6 rises or descends, guaranteed that ejector pin 6 can not rock at the operation in-process, improved the operating stability of device.

Wherein, the bottom inner wall of base 1 rotates and is connected with the axostylus axostyle 3 that is parallel to each other with the transfer line, and the circumference outer wall of axostylus axostyle 3 is fixed with driven pulley and two driven gear 16 that the diameter is different respectively, and driven pulley forms the transmission with the driving pulley and is connected.

Wherein, the bottom inner wall of base 1 is provided with slide rail 18, and sliding connection has fixing base 17 in slide rail 18, and the top of fixing base 17 is provided with driving motor 2, and driving gear 19 that two diameters are different is fixed with on driving motor 2's the output shaft top, and driving gear 19 that the diameter is big intermeshes with driven gear 16 that the diameter is little.

The working principle is as follows: when the device is used, the fixed seat 17 connected in the sliding rail 18 in a sliding manner is pushed to slide, so that the driving gear 19 at the top end of the output shaft of the driving motor 2 is driven to be meshed with the driven gear 16, the transmission rod in the middle of the cam 13 can be driven to rotate under the action of the conveyor belt 15, and the circular motion of the cam 13 can be converted into the linear up-and-down motion of the ejector rod 6; when the upward movement height of the ejector rod 6 needs to be adjusted, only different screw holes need to be selected to fix the movable hinge shaft in the screw holes.

Example 2

Referring to fig. 3, in the embodiment of a crank type lifting device, compared with embodiment 1, a certain distance is left between two driven gears 16, and the driven gears 16 and the driving gear 19 are both conical gears, so that when the jacking frequency of the jacking rod 6 needs to be switched, the control can be performed by controlling the meshing of different gear sets, and the switching efficiency of the device is improved.

The components referred to in fig. 3 constitute the drive device.

The working principle is as follows: when the rotation speed is not used, the fixed seat 17 connected in the sliding rail 18 in a sliding manner is pushed to drive the driving motor 2 to select another gear set as the main transmission.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a crank shakes formula elevating gear, establishes the cavity in including and is base (1) of platykurtic structure, its characterized in that, establish cavity guide plate (4) that is the cuboid structure in the fixed surface of base (1), and the top and the bottom of guide plate (4) all are provided with slide bearing (5) of coaxial distribution, two sliding bearing (5) between sliding connection have same ejector pin (6), and the articulated connecting rod (12) in bottom of ejector pin (6), the bottom of base (1) is close to the below of ejector pin (6) and has two bearing plates (14) through the bolt fastening, and rotates between two bearing plates (14) and be connected with same transfer line, the both ends of transfer line are fixed with cam (13) and driving pulley respectively, and the fixed surface of cam (13) has three screw holes to the centre of a circle diameter difference, one of them the spiro union has movable hinge in the screw hole, the bottom end of the connecting rod (12) is provided with a through hole matched with the diameter of the movable hinge shaft.

2. The crank shaking type lifting device according to claim 1, wherein the bottom end of the upper surface of the base (1) near the top bar (6) is provided with a strip-shaped hole (11), and a gap is left between the inner wall of the strip-shaped hole (11) and the outer wall of the connecting rod (12).

3. The crank-shaking type lifting device as claimed in claim 1, wherein a C-shaped steel upright (10) with an opening facing the middle is disposed at the top end of the base (1) near the edge, a sliding block (8) is slidably connected in the C-shaped steel upright (10), and balls (9) are respectively clamped at two opposite sides of the sliding block (8) near four corners.

4. The crank type lifting device according to claim 3, wherein the slider (8) has an arc slot on its side near the top bar (6) and a hoop (7) fitted to the top bar (6) is fixed on the surface of the slider (8) by bolts.

5. The crank type lifting device according to claim 1, wherein the inner wall of the bottom of the base (1) is rotatably connected with a shaft lever (3) parallel to the transmission rod, and the outer wall of the circumference of the shaft lever (3) is respectively fixed with a driven pulley and two driven gears (16) with different diameters, and the driven pulley and the driving pulley form a transmission connection.

6. The crank type lifting device according to claim 1, wherein the base (1) has a slide rail (18) on its bottom inner wall, and a fixed seat (17) is slidably connected to the slide rail (18), a driving motor (2) is disposed on the top of the fixed seat (17), two driving gears (19) with different diameters are fixed on the top of the output shaft of the driving motor (2), and the driving gear (19) with a larger diameter is meshed with the driven gear (16) with a smaller diameter.

7. A crank type lifter according to claim 6, wherein a certain distance is left between the two driven gears (16), and the driven gear (16) and the driving gear (19) are both bevel gears.